Answers
Refer to the attachment
According to the molecular geometry, bonds in carbon tetrachloride are polar and that in nitrogen are non polar.
What is molecular geometry?Molecular geometry can be defined as a three -dimensional arrangement of atoms which constitute the molecule.It includes parameters like bond length,bond angle and torsional angles.
It influences many properties of molecules like reactivity,polarity color,magnetism .The molecular geometry can be determined by various spectroscopic methods and diffraction methods , some of which are infrared,microwave and Raman spectroscopy.
They provide information about geometry by taking into considerations the vibrational and rotational absorbance of a substance.Neutron and electron diffraction techniques provide information about the distance between nuclei and electron density.
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Related Questions
1. The average temperature in Addis Ababa, during the summer, is about 25°C. What is the equivalent Kelvin temperature?
Answers
Answer:
25 + 273= 298k.
Explanation:
I guess it's correct answer
The equivalent Kelvin temperature is 298 K.
What is temperature?Temperature is defined as a measurement of an object's or substance's warmth or coolness in relation to a standard value.
It can also defined as the feature of matter that represents the amount of energy of motion of its constituent components.
Temperature scale is defined as a method of indicating or measuring temperature with respect to a beginning point (0 or zero) and a unit of measurement.
Temperature scale is also defined as a way of calibrating the physical quantity temperature in metrology.
Usually there is three types of temperature scale is used.
Celsius scaleKelvin scaleFahrenheit scaleThus, the equivalent Kelvin temperature is 298 K.
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What method would you use to separate sand from gasoline?
Answers
Answer:
Filtration (The process of separating liquids and solids)
Explanation:
Filtration works best when the solute isn't dissolved in the solvent. Basically like how you can filter dirt or sand from water. The opposite of this would be if water and sugar where mixed together you cannot unmix this duo with filtration but with the example given you can use the process of filtration to rid the gasoline of sand.
Consider the reaction.
2Pb(s)+O2(g)⟶2PbO(s)
An excess of oxygen reacts with 451.4 g of lead, forming 386.5 g of lead(II) oxide. Calculate the percent yield of the reaction.
Answers
Answer:837.9
Explanation:add those 2 numbers
What is the density of a gas with a volume of 5.6 FL oz. and a mass of 37 grams?
Answers
Answer:
6.60
Explanation:
how to do this question ? can anyone help me urgent
Answers
Answer:
7.50 and 50L
35atm
6.2atm
How many molecules are in 8.27 mol of SiH,?
Answers
Answer:
from,
moles,n = number of particles, N
Avogadro constant
N = 8.27 * 6.022×10^23
N = 4.98 × 10^ 24particles.
In 8.27 moles of SiH, there are
4.98 × 10^24particles.
PLZ ANSWER ASAP CHEMISTRY LAB REPORT
I am doing an investigation where I simply throw a piece of paper that has been lit on fire, into a glass bottle/jar, and then throwing a hard boiled egg in the jar. Asides the outcome, equations, or whatnot with all that Chemistry stuff, I want to know:
What is the constant and what is variable?
*Thank you to anybody whom can answer, but please, please, please, give me the right answers. These labs are worst the most of my grade and I already have a D- in Chemistry.
Answers
Answer:
welp to bad got nothing for you ezcecect good luck bye btw its always the one you think its not
Explanation:
dugg
What is the chemical formula for iron(11) oxide
Answers
Answer:
FeO
Explanation:
Iron(II) oxide or ferrous oxide is the inorganic compound with the formula FeO. Its mineral form is known as wüstite. One of several iron oxides, it is a black-colored powder that is sometimes confused with rust, the latter of which consists of hydrated iron(III) oxide (ferric oxide).
5. The density of a gas is lower than the density of a liquid because:
a. gas atoms are smaller than liquid atoms.
b. gas atoms are larger than liquid atoms
c. atoms in a gas are farther apart than atoms in a liquid.
d. atoms in a gas are closer together than atoms in a liquid
Answers
Answer:
c
Explanation:
the gas is further apart and the liquid is closer together
Question 4 of 5
A specific oxygen atom has 8 protons and 10 neutrons. If this is a neutral
atom, how many electrons does the atom have?
A. 8
B. 6
C. 4
D. 9
SUBMIT
Answers
Answer:
A. 8
Explanation:
For this to be a neutral atom there has to be the same amount of protons and neutrons.
brainliest please. . .
If the number of neutrons in the nucleus of the atom is 41, and the atomic number is 40, what is the mass number of that atom
Answers
If the number of neutrons in the nucleus of the atom is 41, and the atomic number is 40, the mass number of that atom will be 81
What is mass number?Mass number is the sum of the number of protons which is the atomic number and neutrons of an atom.
It is represented using the letter ‘A.’
How to calculate the mass numberMass number = atomic number + neutrons
We have the atomic number as 40 and the number of neutrons as 41
The mass number = 40 + 41 = 81
Therefore, the mass number of the atom will be 81
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which of the materials above are mixtures
Answers
Answer:
Even though i cannot see the image, In chemistry, a mixture is a material made up of two or more different chemical substance/substances which are not chemically combined. A mixture is the physical combination of two or more substances in which the identities are retained and are mixed in the form of solutions, suspensions and colloids.
Explanation:
Please explain this and give answers
Answers
Answer:
a) 2Ba + O2 → 2BaO
b) 2HCl + Mg → MgCl2 + H2
c) 2HCl + CuO → CuCl2 + H2O
d) Fe + O2 → Fe2O3
Explanation:
Okay so for
a), you must add 2 at the front of Ba and BaO bcuz you're gonna need your equation balanced.
like as you can see, O has 2 so yeahh, you've got to balance it nicely.
b) you must add 2 in front of HCl bcuz the Cl and H after the reaction happened has 2 in them, were talking about balancing so XD
c) and yes again, you're gonna have to add 2 in front of HCl bcuz of the same reason as b).
d) D is definitely a special case bcuz, Fe3+ with O2, so well if you do the cross multiplication technique you'll automatically get Fe2O3. Yas that's it.
English is not my first language so it's hella tuff to explain it to you from in much more detailed perspective T-T Sorry (´∩｡• ᵕ •｡∩`)
What are the law of 10 in energy Transfer
Answers
Answer:
When the energy is passed on from one trophic level to another, only 10 percent of the energy is passed on to the next trophic level.
Explanation:
Which atom would you expect to have a larger atomic
radius—francium or tennessine?
Answers
Answer:
Francium bc it has the largest atomic radius
Francium has the greatest atomic radius. Despite being a highly radioactive metal with a short half-life, francium has little environmental impact.
What is francium?Francium is a chemical element with the atomic number 87 and the symbol Fr. Francium-223, its most stable isotope, has a half-life of only 22 minutes, making it extremely radioactive. It is the second-most electropositive element and the second-rarest naturally occurring element, trailing only caesium.Francium has been used to study atomic structure in addition to being used in chemistry and research. It is used in the diagnosis and treatment of cancer. It is also used in a number of spectroscopic experiments. Despite being a highly radioactive metal with a short half-life, francium has little environmental impact. Francium is created by bombarding radium with neutrons in a nuclear reactor. It is also possible to create it by bombarding thorium with protons.To learn more about francium refer to:
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What does the phrase “breaking in” mean as it is used in the passage?
A.
In the first instance, it means "to make something come apart," and in the second instance, it means "to stop doing something."
B.
In the first instance, it means "to enter without permission," and in the second instance, it means "to make softer through use."
C.
In the first instance, it means "to stop doing something," and in the second instance, it means "to make something come apart."
D.
In the first instance, it means "to make softer through use," and in the second instance, it means "to enter without permission."
Answers
Answer:
D
Explanation:
It means entry by force.
What would you name this molecule?
Answers
Answer:
H2O is the name of this molecule and it is water
What would happen if there were no gravity anywhere in the universe?
Answers
Objects would no longer be drawn toward each other, because there would be no sloping surface for them to fall down. Instead, they would fly off in whatever direction gravity was keeping them from going.
Answer:
All items in the universe, humans, objects, and the planets, would be floating around. Everything would become weightless.
What happens when the two atoms get even closer?
Answers
Answer:
If two atoms get close together then the electrons of each atom will get attracted to the other one and bc one atom lose electrons gets a positive charge and the one with more electrones will get a negetive charge
Explanation:
brailiest pls pls pls
What is difinition of chemistry
Answers
Multiple choice (ASAP!)
Answers
Answer:
c
Explanation:
oxygen is lost electrons are added in oxidation state is decreased
Answer:
the correct answer is C
hope this helps <3
All of the following affect toxicity of a substance except*
origin of the substance
nature of exposure
duration
dosage
Answers
Answer:
durage
Explanation:
durage just doesn't make sense compared to the other 3
Answer:
Origin of the substance
Explanation:
Origin of a substance doesnt affect toxicity but all other options do
What is the lead concentration of a saturated solution of lead(II) sulfate containing 0.020 M Na2SO4? Ksp for PbSO4 = 6.3x10-7.
Answers
Answer:
i want to help but i d k. the answer :( sorry i couldnt help
Explanation:
Models are used to predict behaviors in the real world.
True
False
Answers
It’s true because models are based on real world problems to help grasp a understanding of the problem
Please solve this question
Answers
Answer:
what question?
Explanation:
What is the atomic mass of Helium
Answers
Answer:
4.002602 u
Explanation
Answer:
4.002602 u
Explanation:
HELPPPPPPPP i need help!!!!!!!!!!!!!
Answers
Answer:
C!
Explanation:
when water is boiling the water particles will give each other more space and will then be turned into a gas :)
Butanoic acid + 2 propanol
Answers
Answer:
Butanoic acid and 2-propanol reacts to form isopropyl butyrate.
Explanation:
brainliest plz
In this experiment you are directed to add a limited amount of NaOH (aq) and then an excess amount. A similar strategy will be used with the addition of NH3(aq). Why? Group of answer choices Both NaOH and NH3 are weak bases. Both NaOH and NH3 are strong bases. Initially a metal hydroxide may form which becomes soluble when more base is added and the metal complex forms. Insoluble metal complexes are first formed which then are replaced by insoluble metal hydroxide precipitates. Initially a complex ion may form which becomes insoluble when more base is added and the metal hydroxide precipitate forms.
Answers
The reason for adding a limited amount and then an excess amount is that initially a metal hydroxide may form which becomes soluble when more base is added and the metal complex forms.
In qualitative analysis is a common to add the base in drops and then in excess. When added in drops, the metal hydroxide is formed. This metal hydroxide is often insoluble.
After this metal hydroxide is formed, the base could be added in excess such that the metal hydroxide dissolves in the excess base by forming a complex.
For instance;
CuCl2(aq) + 2NaOH(aq) -------> Cu(OH)2(s) + 2NaCl(aq)
Cu(OH)2(s) + 2OH^-(aq) -------> [Cu(OH)4]^2+(aq)
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Which pair of compounds has the same empirical formula? C_{3}*H_{8} and C_{3}*H. C_{2}*H_{2} and C_{2}*H C_{4}*H_{10} and C_{6}*H C_{4}*H_{10} and C_{2}*H_{5}
Answers
Considering the definition of empirical and molecular formula, the pair of compounds C₄H₁₀ and C₂H₅ has the same empirical formula.
The empirical formula is the simplest expression to represent a chemical compound and indicates the elements that are present and the minimum proportion in whole numbers that there are between their atoms. This formula is also known as the "minimum formula".
On the other side, the molecular formula is the chemical formula that indicates the number and type of different atoms present in the molecule. But unlike the chemical formula, it shows the actual number of atoms that make up a molecule.
In this case, you can observe that if you divide the amount of each element by 2 in compound C₄H₁₀, you get C₂H₅, which is the empirical formula of the compound.
Finally, the pair of compounds C₄H₁₀ and C₂H₅ has the same empirical formula.
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